Interchangeable head digital torque wrench with side visible LEDs

Torque head is changeable by certain function or requirement

Simple function for "Torque setting", "Unit setting", "Mode setting"

One button press for Torque and Unit setting

While using and the LCD is not visible, the red and green LEDs would side perceptible to provide notice for eaching the torque value

Head size: 9 x 12 and 14 x 18